Solutions for Low-Energy And Passive Houses
Preparation of construction of a low-energy or passive house requires a consistent conceptual approach. Only a thorough design and concept of solution from the very beginning may result in the expected outcome.
Energy saving of buildings is mainly expressed by energy consumption of heating. A low-energy house is a building with heat consumption of heating lower than 50 kWh/m2 per year, and an energy-passive house is a building with heat consumption of heating lower than 15 kWh/m2 per year. We know how to reach such parameters. Just for comparison, the heat consumption of heating of the present-day common new buildings is about 100 kWh/m2 and more per year.
We spend the most time inside buildings, either it is at work or at home. Therefore, the quality of the internal environment has a substantial impact on our health, comfort feeling and performance.
The systems of heating, ventilation and air-conditioning will provide you a pleasant interior temperature, a sufficiency of fresh air and suitable air humidity.
Our intention is to offer an over-standard quality of the internal environment ensured by the state-of-art technology. In connection with a good architecture, such solutions will enhance the quality of constructions intended for living.
We offer you solutions that satisfy the requirements of a pleasant inside climate and, at the same time, represent effective solutions in terms of operational costs. We will prepare for you an energy concept of building according to your expectations.
We care about the environment and we keep the environment in mind when designing solutions and concepts. The equipment that will meet your requests ranks among environment-friendly products.
Heat Pumps
Modern And Energy-Saving Solutions of Heat Sources
Heat pumps provide for heating of the whole construction as well as for sufficiency of warm water, and, when needed, also for cooling of the interior, while their electricity consumption is extremely low. They are not only suitable for reducing the heat consumption of heating in low-energy houses, but they are often used also in energy-passive houses. We will select for you the most suitable type and output of the heat pump, and we will demonstrate its substantial efficiency in comparison with traditional methods of heating.
Warm-Air Heating And Ventilation
Comfortable Solutions for Heating And Ventilation
The system of warm-air heating and ventilation with a heat recovery, the so-called heat recuperation, is an integral part of low-energy and energy-passive houses. The impact of ventilation and the internal heat sources of low-energy houses and energy-passive houses account for a substantial part of heat consumption. Natural ventilation by opening windows and due to untightness does not allow to regulate the amount of supply air. Moreover, it causes a high heat loss. The system of controlled ventilation provides for a supply of fresh air treated by filters, in some cases even by special filters to collect allergens from the air. By means of a recuperation exchanger, it enables to use as much as 90 % of the heat from the exhaust air. Depending on needs, it is then warmed-up or cooled-down. A single heating system is sufficient for one construction, while all the required criteria are satisfied.
BlowerDoor Test
Inevitable Part of Passive Houses
The test of air-tightness of buildings – detection of problem areas of air leaks in the construction system of buildings through which air can flow. By their elimination, we achieve reduction in heat losses and infiltration of water vapour into the construction of building. An air-tight building envelope is a precondition to maintain the required quality of the internal environment, the building and the use of the ventilation system parameters.
Air Conditioning
Proved And Reliable Solution Also for Challenging Conditions
Air-conditioning systems are indispensable in creating a comfortable internal environment, particularly in connection with some architectural designs. Their installation leads to a relief in form of wishful cooling, especially in summer periods. A large choice of air-conditioning models will solve also the most demanding requirements of interior design.
Technical Support
You will learn from us what all can influence the energy consumption of heating and ventilation, and how you can substantially reduce this consumption. We will develop for you energy optimisation of the building by means of a special software PHPP. This detailed calculation will give you a proposal of the energy building envelope with an aim to achieve a standard of a low-energy or energy-passive house.
Our Services
- consulting
- assessment of designs or existing buildings in terms of energy consumption,
- proposing systems of heating, ventilation and air-conditioning,
- preparation of design documentation,
- supply and installation of particular systems,
- service of the installed system,
- measurement and evaluation of building air-tightness – the BlowerDoor test
Exclusive representation of Weider Wärmepumpen, GmbH
Our company is an exclusive representative of Austrian company Weider Wärmepumpen GmbH in Slovakia. Weider Wärmepumpen GmbH is a producer of top-quality heat pumps. It has been involved in developing and improving its products for thirty years. The exceptional quality of the Weider Wärmepumpen products has been acknowledged also by the Austrian state prize for energy research awarded by the Austrian Federal Ministry of Research And Transport.
www.wei.at
Partners
Passivhaus Institut, Dr. Wolfgang Feist, Darmstadt, Germany
Research and development of highly efficient energy systems.
www.passiv.de
BlowerDoor GmbH, Germany
BlowerDoor measurement equipment to measure air-tightness of buildings. Developed by The Energy Conservatory, Minnesota, USA.
www.blowerdoor.de
ATREA s.r.o., Czech Republic
Producer of controlled ventilation systems with recuperation, and warm-air heating systems.
www.atrea.sk
Drexel und Weiss, Energieeffiziente Haustechniksysteme GmbH, Austria
Comfort ventilation and compactunits for passive houses, and very low-energy houses.
www.drexel-weiss.at
Contact
Energy Concept, Ltd.
Liscie udolie 68
841 04 Bratislava
Slovak Republic
Tel.No.: +421 2 6428 3967
Mobile: +421 2 918 642 015
e-mail:
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http://www.energyconcept.sk